[INFO] crate json-color 0.7.1 is already in cache
[INFO] extracting crate json-color 0.7.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/json-color/0.7.1
[INFO] extracting crate json-color 0.7.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json-color/0.7.1
[INFO] validating manifest of json-color-0.7.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of json-color-0.7.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing json-color-0.7.1
[INFO] finished frobbing json-color-0.7.1
[INFO] frobbed toml for json-color-0.7.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/json-color/0.7.1/Cargo.toml
[INFO] started frobbing json-color-0.7.1
[INFO] finished frobbing json-color-0.7.1
[INFO] frobbed toml for json-color-0.7.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json-color/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing json-color-0.7.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json-color/0.7.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b243431fd7a42f31b7f4c53fe04fb366f7d031185df2fc3475e6e6532d8663b5
[INFO] running `"docker" "start" "-a" "b243431fd7a42f31b7f4c53fe04fb366f7d031185df2fc3475e6e6532d8663b5"`
[INFO] [stderr]    Compiling json-color v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "b243431fd7a42f31b7f4c53fe04fb366f7d031185df2fc3475e6e6532d8663b5"`
[INFO] running `"docker" "rm" "-f" "b243431fd7a42f31b7f4c53fe04fb366f7d031185df2fc3475e6e6532d8663b5"`
[INFO] [stdout] b243431fd7a42f31b7f4c53fe04fb366f7d031185df2fc3475e6e6532d8663b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json-color/0.7.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b993b01000095f82dc37202dec5dbecccb1d2c8809528733894fa1bbe42254e1
[INFO] running `"docker" "start" "-a" "b993b01000095f82dc37202dec5dbecccb1d2c8809528733894fa1bbe42254e1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling json-color v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "b993b01000095f82dc37202dec5dbecccb1d2c8809528733894fa1bbe42254e1"`
[INFO] running `"docker" "rm" "-f" "b993b01000095f82dc37202dec5dbecccb1d2c8809528733894fa1bbe42254e1"`
[INFO] [stdout] b993b01000095f82dc37202dec5dbecccb1d2c8809528733894fa1bbe42254e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json-color/0.7.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1f24512bba2209c635cc519be86f8514f74e0b7aa52c5230bb727d2e834abca9
[INFO] running `"docker" "start" "-a" "1f24512bba2209c635cc519be86f8514f74e0b7aa52c5230bb727d2e834abca9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_color-22730f1f25bac05a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-color
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f24512bba2209c635cc519be86f8514f74e0b7aa52c5230bb727d2e834abca9"`
[INFO] running `"docker" "rm" "-f" "1f24512bba2209c635cc519be86f8514f74e0b7aa52c5230bb727d2e834abca9"`
[INFO] [stdout] 1f24512bba2209c635cc519be86f8514f74e0b7aa52c5230bb727d2e834abca9